Heliopsis helianthoides (L.) Sweet

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PLANTS OF ILLINOIS, USA
Heliopsis helianthoides (L.) Sweet
Asteraceae
Det.: S. R. Hill, (ILLS) 2001
FAYETTE COUNTY 38° 55’ 28” N. Lat. 88° 53’ 58”
W. Long. T. 6N, R. 3E, NW1/2, SW1/4, NW/4, NW1/4
Sect. 32 Illinois Route 185 (FAP 777) at Little Hickory
Creek bridge, about 10.4 miles due east-southeast of
Vandalia. North side of creek. Brownstown 7.5 minute
U.S.G.S. quadrangle. Elevation 540-550 feet.
Disturbed sandy loam, floodplain terrace along stream.
Floodplain forest, dominated by Acer negundo, Acer
saccharinum, Morus rubra, Comus drummondii,
Campsis, Polygonum spp., Leersia virginica. Rays and
disc golden-yellow, ray veins greenish beneath;
occasional to locally common erect perennial herb 1-1.5
m tall, associated with Phlox paniculata, Silphium
perfoliatum, Rudbeckia laciniata. Near creek margin.
Steven R. Hill 34164
22 August 2001
02891696